Gastric dilatation and volvulus syndrome (GDV) in dogs is an abnormal accumulation of gastric gas (dilatation). which may be complicated by rotation of the stomach (volvulus) about its mesentric axis. A number of factors. both environmental and host have been implicated in GDV. https://www.roneverhart.com/Rawlings-34-Maple-Fungo-Bat-MLF6/